Characterization of an Oligomeric Lignin-Derived UV Absorber Produced from Hardwood Beech.

ACS Omega · 2025 · PMC12163702 · PMID 40521555

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an increasing trendno p-value reported

The relative ratios of conjugated structures showed an increasing trend across the samples: 7.7%, 19.4%, and 28.1% for the side chain region and 8.5%, 16.8%, and 22.0% for the aromatic region in the Ac-ACIS, ACIS-acetone-soluble fraction, and ACIS-ethyl acetate-soluble fraction, respectively.

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